His life was one long fight with the insidious poison of the Greek.
"Holbein"
Beatrice Fortescue
"I'm rather anxious about our young friends," he said, his voice dropped still lower, his head bent forward with such an insidious smile that Lady Bell could not, for the life of her, help thinking of a serpent.
"Only One Love, or Who Was the Heir"
Charles Garvice
Then her busy brain reminded her of other and more real perils of her position-the more dangerous from their insidious nature and approach.
"One Maid's Mischief"
George Manville Fenn